Home / 360,890.12-498,010.60-205,847.54

Finding the Fourth Proportional to 360,890.12, 498,010.60 and 205,847.54

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Solution

The fourth proportional to 360,890.12, 498,010.60 and 205,847.54 is: 284,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,890.12 : 498,010.60 = 205,847.54 : x
  2. Step 2: Convert to fraction form
    360,890.12/498,010.60 = 205,847.54/x
  3. Step 3: Cross multiply
    360,890.12x = 498,010.60 × 205,847.54
  4. Step 4: Simplify right side
    360,890.12x = 102,514,256,903.92
  5. Step 5: Solve for x
    x = 102,514,256,903.92/360,890.12
  6. Step 6: Final answer
    x = 284,059.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.